Sivarajan, K.
Educatonal Technology/ Print. By K. Sivarajan.- - New Delhi: University Science Press, c 2018. - vii,453p.: ill.; 24cm.
9789386202178
B-42330
Teaching--Aids and devices
Audio-visual materials
Educational technology
Audio-visual education
LB1043. / S58 2018
Educatonal Technology/ Print. By K. Sivarajan.- - New Delhi: University Science Press, c 2018. - vii,453p.: ill.; 24cm.
9789386202178
B-42330
Teaching--Aids and devices
Audio-visual materials
Educational technology
Audio-visual education
LB1043. / S58 2018